First station[]
- Date: ...June 30, 1927-June 30, 1928...
- Frequency:
- 1220 khz (...June 30, 1927-June 30, 1928...)
- Location:
- St. Paul-Minneapolis, Minnesota (...June 30, 1927-June 30, 1928...)
- Owner of license:
- Washburn-Crosby Co. (...June 30, 1927-June 30, 1928...)
Second station[]
- Date: 1951-March 16, 1992
- Previous call letters: WQQW
- Frequency:
- 570 khz (1951-March 16, 1992)
- Location:
- Rockville, Maryland (1951-March 16, 1992)
- Subsequent call letters: WTEM
Affiliated (until March 16, 1992) with:
WGMS-FM[]
- Date: 1951-2006
- Previous call letters: WQQW
- Frequency:
- 103.5 MHz (1951-2006)
- Location:
- Washington, District of Columbia (1951-2006)
Third station[]
- Date: January 17, 2006-January 22 (or February 1), 2007
- Previous call letters: WWZZ
- Frequency:
- 104.1 MHz (January 17, 2006-January 22 [or February 1], 2007)
- Location:
- Waldorf, Maryland (January 17, 2006-January 22 [or February 1], 2007)
- Subsequent call letters: WXGG(FM)
Fourth station[]
- Date: February 1, 2007...
- Previous call letters: WETH
- Frequency:
- 89.1 MHz (February 1, 2007...)
- Location:
- Hagerstown, Maryland (February 1, 2007...)
- Owner of license:
- Greater Washington Educational Telecommunications Association (February 1, 2007...)